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4x-4 = 3
4x = 3+4
4x = 7 |:4
x = 1,75
b)
3c+2 = -70
3x = -70-2
3x = -72 |:3
x = -24
c)
33-4x = 4x
33 = 4x+4x
8x = 33 |:8
x = 4,125
d)
5-10x = -2
-10x = -2-5
-10x = -7 |:(-10)
x = 0,7
4x = 3 + 4
4x = 7 /4
x = 1,75
B) 3c + 2 = - 70
3c = - 70 - 2
3c = - 72 / 3
c = - 24
c) 33 - 4x = 4x
-4x - 4x = -33
- 8x = -33 /-8
x = 4 ¹₈
d) 5 - 10x = - 2
- 10x = - 2 - 5
- 10x = -7/ - 10
x = 0,7
4x=3+4
4x=7 /:4
x= 7/4
x=1,75
b)3c+2=-70
3c=-70-2
3c=-72 /:3
c=-72/3
c=-24
c) 33-4x=4x
-4x-4x=-33
-8x=-33 /:(-8)
x=33/8
x=4 i 1/8
d) 5-10x=-2
-10x=-2-5
-10x=-7 /:(-10)
x=0,7